 body {background-image:url('images/PalaceofFineArts_ROW11000533273_1366x768.jpg');}
 div.divb { width:200px;
  height:100px;
  margin:10px 30px;
  background-color:silver;
  color:green;
  border:1px solid black;
  font-size:20;
  cursor:pointer;
  opacity:0.6;
  filter:alpha(opacity=60); /* For IE8 and earlier */
  }

 div:hover
{
opacity:1.0;
filter:alpha(opacity=100); /* For IE8 and earlier */
}

  div.diva { 
  height:400px;
  width:400px;
  margin:-200px -80px;
  background-color:silver;
  position:absolute;


  }
  div.divc
  {
  position:;
  height:50px;
  width:100px;
  margin:-280% -30%;
  background-color:green;
  }
div.divc:hover
{
color:yellow;
background-color:red;

}




div.divd
{
height:400px;
width:500px;
margin:-200px -500px;
background-color:silver;
  opacity:0.6;

} body {background-image:url('images/PalaceofFineArts_ROW11000533273_1366x768.jpg');}